\documentclass[t]{beamer}
\usepackage{textpos}
\usefonttheme{structureitalicserif}
%\setlength{\parindent}{2em}
\title{Software Testing}
\subtitle{Lec 01 Introduction}
\institute{Nantong University \\ \ \ \ \  School of Computer Science}
\author{Xiaolin Ju}
\usetheme{Berlin}
\usecolortheme{beaver}
\usefonttheme{structureitalicserif}
 \usepackage{tikz}

 	\addtobeamertemplate{frametitle}{}{%
 	\begin{tikzpicture}[remember picture,overlay]
 	\node[anchor=north east,yshift=-15pt] at (current page.north east) {\includegraphics[height=1.0cm]{xjtu-c}};
 	\end{tikzpicture}
 }
\addtobeamertemplate{title page}{}{ %% coverage pic
	\begin{tikzpicture}[remember picture,overlay]
		\node[yshift=75pt,xshift=55pt]{\includegraphics[height=2.5cm]{tdtu}};
\end{tikzpicture}
}
\begin{document}
	\frame{\titlepage}
	\section[Outline]{}
	\frame{\tableofcontents}
	
	\section{The First Page}
	\begin{frame}{the first page}{subtitle of first page}
		 \vspace{-20pt}%deal with the large space between frame title and content block
		content...
	\end{frame}

\section{The End}
\begin{frame}[c]{End}
			 \vspace{-20pt}%deal with the large space between frame title and content block
	\centering{\textbf{The End\\ Thank you}}
\end{frame}
\end{document}